World reference base for soil resources / 
International Society of Soil Science; International Soil Reference and information Centre 
 - Rome :  Food and Agriculture Organization of the United Nations,  1998. 
 - 88 p. ;  30 cm. 
 - World soil resources reports,  84 .
<br/><br/>Includes bibliographical references (p. 79-81). 
<br/><br/><label>ISBN: </label>92-5-104141-5 
<br/><br/><label>ISSN: </label>0532-0488 ; 
<br/><br/><label>LCCN: </label>98227684  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Classification.